Home / 3,145,917.45-4,681,197.17-3,135,288.63

Finding the Fourth Proportional to 3,145,917.45, 4,681,197.17 and 3,135,288.63

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Solution

The fourth proportional to 3,145,917.45, 4,681,197.17 and 3,135,288.63 is: 4,665,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,917.45 : 4,681,197.17 = 3,135,288.63 : x
  2. Step 2: Convert to fraction form
    3,145,917.45/4,681,197.17 = 3,135,288.63/x
  3. Step 3: Cross multiply
    3,145,917.45x = 4,681,197.17 × 3,135,288.63
  4. Step 4: Simplify right side
    3,145,917.45x = 14,676,904,246,212.73
  5. Step 5: Solve for x
    x = 14,676,904,246,212.73/3,145,917.45
  6. Step 6: Final answer
    x = 4,665,381.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.